Search a number
-
+
1004415641 = 1789663857
BaseRepresentation
bin111011110111100…
…010101010011001
32120222222121020022
4323313202222121
54024112300031
6243400040225
733614251325
oct7367425231
92528877208
101004415641
11475a6a379
12240463075
13130124ca8
149757a985
155d2a497b
hex3bde2a99

1004415641 has 8 divisors (see below), whose sum is σ = 1075449960. Its totient is φ = 934709248.

The previous prime is 1004415631. The next prime is 1004415649. The reversal of 1004415641 is 1465144001.

It can be written as a sum of positive squares in 4 ways, for example, as 130622041 + 873793600 = 11429^2 + 29560^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1004415641 - 222 = 1000221337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004415641.

It is not an unprimeable number, because it can be changed into a prime (1004415649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330416 + ... + 333441.

It is an arithmetic number, because the mean of its divisors is an integer number (134431245).

Almost surely, 21004415641 is an apocalyptic number.

It is an amenable number.

1004415641 is a deficient number, since it is larger than the sum of its proper divisors (71034319).

1004415641 is an equidigital number, since it uses as much as digits as its factorization.

1004415641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663963.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1004415641 is about 31692.5171136658. The cubic root of 1004415641 is about 1001.4697192006.

Adding to 1004415641 its reverse (1465144001), we get a palindrome (2469559642).

The spelling of 1004415641 in words is "one billion, four million, four hundred fifteen thousand, six hundred forty-one".

Divisors: 1 17 89 1513 663857 11285569 59083273 1004415641